A Degenerate Bose-Fermi Mixture of Metastable Atoms

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dc.creatorMcNamara, J. M.
dc.creatorJeltes, T.
dc.creatorTychkov, A. S.
dc.creatorHogervorst, W.
dc.creatorVassen, W.
dc.date2006-06-25
dc.date.accessioned2026-07-07T07:12:51Z
dc.date.available2026-07-07T07:12:51Z
dc.descriptionWe report the observation of simultaneous quantum degeneracy in a dilute gaseous Bose-Fermi mixture of metastable atoms. Sympathetic cooling of helium-3 (fermion) by helium-4 (boson), both in the lowest triplet state, allows us to produce ensembles containing more than 10^6 atoms of each isotope at temperatures below 1 micro-Kelvin, and achieve a fermionic degeneracy parameter of T/Tf=0.45. Due to their high internal energy, the detection of individual metastable atoms with sub-nanosecond time resolution is possible, permitting the study of bosonic and fermionic quantum gases with unprecedented precision. This may lead to metastable helium becoming the mainstay of quantum atom optics.
dc.description4 pages, 3 figures submitted to PRL
dc.identifierhttps://arxiv.org/abs/cond-mat/0606638
dc.identifierhttp://arxiv.org/abs/cond-mat/0606638
dc.identifierPhys. Rev. Lett. 97, 080404 (2006).
dc.identifierdoi:10.1103/PhysRevLett.97.080404
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/112227
dc.subjectStatistical Mechanics
dc.titleA Degenerate Bose-Fermi Mixture of Metastable Atoms
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